Implement methods from GitRepositoryManager

Add implementation for `canPerformGC` and `getRepositoryStatus` from
GitRepositoryManager interface.

Change-Id: I8b27b6952eed21cf4adff746ca5a50074fb46031
diff --git a/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/SharedRefDbGitRepositoryManager.java b/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/SharedRefDbGitRepositoryManager.java
index 4f13d6e..9d942ce 100644
--- a/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/SharedRefDbGitRepositoryManager.java
+++ b/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/SharedRefDbGitRepositoryManager.java
@@ -16,6 +16,7 @@
 
 import com.google.common.collect.ImmutableSet;
 import com.google.gerrit.entities.Project;
+import com.google.gerrit.entities.Project.NameKey;
 import com.google.gerrit.server.git.GitRepositoryManager;
 import com.google.gerrit.server.git.LocalDiskRepositoryManager;
 import com.google.gerrit.server.git.RepositoryCaseMismatchException;
@@ -108,6 +109,16 @@
     return gitRepositoryManager.list();
   }
 
+  @Override
+  public Boolean canPerformGC() {
+    return gitRepositoryManager.canPerformGC();
+  }
+
+  @Override
+  public Status getRepositoryStatus(NameKey name) {
+    return gitRepositoryManager.getRepositoryStatus(name);
+  }
+
   private Repository wrap(Project.NameKey projectName, Repository projectRepo) {
     return sharedRefDbRepoFactory.create(projectName.get(), projectRepo, ignoredRefs);
   }